Description  Claims  Drawing  Cited references 

US5686038A   [0006] 
WO2006064167A   [0006] 
DE102005003713A1   [0007] 
WO2010007162A1   [0008] 
DE102009010692A1   [0009] 
DE102007039126A1   [0010] 
US6679969B   [0011]